199228472 has 8 divisors (see below), whose sum is σ = 373553400. Its totient is φ = 99614232.

The previous prime is 199228439. The next prime is 199228483. The reversal of 199228472 is 274822991.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12451772 + ... + 12451787.

It is an arithmetic number, because the mean of its divisors is an integer number (46694175).

Almost surely, 2^199228472 is an apocalyptic number.

It is an amenable number.

199228472 is a deficient number, since it is larger than the sum of its proper divisors (174324928).

199228472 is a wasteful number, since it uses less digits than its factorization.

199228472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24903565 (or 24903561 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 199228472 is about 14114.8316320104. The cubic root of 199228472 is about 584.0505914138.

The spelling of 199228472 in words is "one hundred ninety-nine million, two hundred twenty-eight thousand, four hundred seventy-two".